处理json中影响解析的多余引號

时间:2023-03-08 21:02:57

在xml中,敏感字符是尖括号,在json中,敏感字符是引號,上文中我们介绍了怎样处理xml中的敏感字符。本文说说怎样处理json中的敏感字符。

思路与上文同样,不再赘述。直接上代码:

json–>javaBean

    @Test
public void test1() {
String json = "{\"id\":\"1\",\"name\":\"红\"楼\"'梦\",\"price\":\"90\",\"author\":\"曹雪芹\"}";
List<String> tags = new ArrayList<String>();
Pattern pattern = Pattern.compile("\\\"([a-zA-Z0-9]*)\\\":");
Matcher m = pattern.matcher(json);
while (m.find()) {
tags.add(m.group(1));
}
for (int i = 0; i < tags.size(); i++) {
json = json
.replaceAll("\\\"" + tags.get(i) + "\\\"",
"^^" + tags.get(i) + "^^")
.replaceAll(":\\\"", ":^^").replaceAll("\\\",", "^^,");
}
json = json.replaceAll("\\\"}", "^^}").replaceAll("\\\"]", "^^]")
.replaceAll("\"", "~~");
json = json.replace("^^", "\"");
ObjectMapper mapper = new ObjectMapper(); try {
Book book = mapper.readValue(json, Book.class);
book.setName(book.getName().replace("~~", "\""));
System.out.println("作者:" + book.getAuthor() + "\n书名:"
+ book.getName());
} catch (IOException e) {
e.printStackTrace();
}
}

json–>List

    @Test
public void test2() {
String json = "[{\"id\":\"1\",\"name\":\"红\"楼\"'梦\",\"price\":\"90\",\"author\":\"曹雪芹\"},{\"id\":\"2\",\"name\":\"西游\"\"记\",\"price\":\"45\",\"author\":\"wuche\"ngen\"}]";
List<String> tags = new ArrayList<String>();
Pattern pattern = Pattern.compile("\\\"([a-zA-Z0-9]*)\\\":");
Matcher m = pattern.matcher(json);
while (m.find()) {
tags.add(m.group(1));
}
for (int i = 0; i < tags.size(); i++) {
json = json
.replaceAll("\\\"" + tags.get(i) + "\\\"",
"^^" + tags.get(i) + "^^")
.replaceAll(":\\\"", ":^^").replaceAll("\\\",", "^^,");
}
json = json.replaceAll("\\\"}", "^^}").replaceAll("\"", "~~");
json = json.replace("^^", "\"");
ObjectMapper mapper = new ObjectMapper(); try {
List<Book> books = mapper.readValue(json,
new TypeReference<ArrayList<Book>>() {
});
for (Book book : books) {
book.setName(book.getName().replace("~~", "\""));
book.setAuthor(book.getAuthor().replace("~~", "\""));
System.out.println("作者:" + book.getAuthor() + "\n书名:"
+ book.getName());
}
} catch (IOException e) {
e.printStackTrace();
}
}

这两段关于json的处理基本是一致的。